29 C.F.R. § 1915.118

Current through September 30, 2024
Section 1915.118 - Tables

The provisions of this section apply to ship repairing, shipbuilding and shipbreaking.

Table E-1-Dimensions and Spacing of Wood Independent-Pole Scaffold Members

Structural membersLight duty (Up to 25 pounds per square foot)-Height in feetHeavy duty (25 to 75 pounds per square foot)-Height in feet
[LESS THAN EQUAL TO]24 [GREATER THAN]24[LESS THAN EQUAL TO]40 [GREATER THAN]40[LESS THAN EQUAL TO]60 [LESS THAN EQUAL TO]24 [GREATER THAN]24[LESS THAN EQUAL TO]40 [GREATER THAN]40[LESS THAN EQUAL TO]60
Poles or uprights (in inches)2 * 43 * 4 or 2 * 64 * 43 * 44 * 44 * 6
Bearers (in inches)2 * 62 * 62 * 62 * 82 * 82 * 10
Ledgers (in inches)2 * 62 * 62 * 62 * 82 * 82 * 8
Stringers (not supporting bearers) (in inches)1 * 61 * 61 * 61 * 61 * 61 * 6
Braces (in inches)1 * 41 * 61 * 61 * 61 * 61 * 6
Pole spacing-longitudinally (in feet)71/271/271/2777
Pole spacing-transversely (in feet)61/2 min71/2 min81/2 min61/21010
Ledger spacing-vertically (in feet)77741/241/241/2

Table E-2-Specifications for Side Rails of Ladders

Length (in feet)Cross section (in inches)
At ends At center
1517/8 * 23/417/8 * 33/4
1617/8 * 23/417/8 * 33/4
1817/8 * 317/8 * 4
2017/8 * 317/8 * 4
2417/8 * 317/8 * 41/2

Table E-3-Specifications for the Construction of Horses

Structural membersHeight in feet
[LESS THAN EQUAL TO]10 [GREATER THAN]10[LESS THAN EQUAL TO]16 16[LESS THAN EQUAL TO]20
inchesinchesinches
Legs2 * 43 * 44 * 6
Bearers or headers2 * 62 * 84 * 6
Crossbraces2 * 42 * 42 * 6
or
1 * 8
Longitudinal braces2 * 42 * 62 * 6

Table E-4-Safe Center Loads for Scaffold Plank of 1,100 Pounds Fibre Stress

Span in feetLumber dimensions in inches
A B A B A B A B A B
2 * 1015/8 * 91/22 * 1215/8 * 111/23 * 825/8 * 71/23 * 1025/8 * 91/23 * 1225/8 * 111/2
6256309526667807
8192232395500605
10153186316400484
12128155263333404
14110133225286346
16116197250303

(A)-Rough lumber.

(B)-Dressed lumber.

Table G-1-Number and Spacing of U-Bolt Wire Rope Clips

Improved plow steel, rope diameter, inchesNumber of clipsMinimum spacing, inches
Drop forged Other material
(1)
1/2343
5/83433/4
3/44541/2
7/84551/4
1466
11/85663/4
11/45771/2
13/86781/4
11/2689

1 Three clips shall be used on wire size less than 1/2-inch diameter.

Table G-2-Maximum Allowable Wear at Any Point of Link

Chain size in inches Maximum allowable wear in fraction of inches
1/4(9/32)3/64
3/85/64
1/27/64
5/89/64
3/45/32
7/811/64
13/16
11/87/32
11/41/4
13/89/32
11/25/16
13/411/32

29 C.F.R. §1915.118

47 FR 16986, Apr. 20, 1982, as amended at 61 FR 26351, May 24, 1996; 67 FR 44543, July 3, 2002; 76 FR 33610, June 8, 2011